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Machining / Hole finishing
Countersink Depth Calculator
Find the axial countersink depth from the original hole, finished diameter and included tool angle.
Hole and countersink
Countersink geometry
Axial depth3 mm
90° included angle
- Countersink depth
- 3 mm
- Radial difference
- 3 mm
- Diameter increase
- 6 mm
- Half angle
- 45°
The result is the ideal axial depth from the original surface to reach the entered countersink diameter. Tool-tip geometry, runout and measurement method can affect the machined depth.